Euclid: Gate to the dark

Euclid: Gate to the dark

ESA’s Euclid mission is on a quest to unveil the nature of two elusive ‘dark’ entities. As the renowned theoretical physicist Stephen Hawking remarked in 2013, “The missing link in cosmology is the nature of dark matter and dark energy”.During the last 70 years,...
Remembering John Glenn’s historic return to space

Remembering John Glenn’s historic return to space

John Glenn at age 77. Credit: NASA. With millions of visitors each year, George Bush Intercontinental Airport, located north of downtown Houston, Texas, is among the United States’ busiest aviation hubs. And in 1998, it brought together an elderly couple and an...
Spooky sights from space: world’s largest acidic lake

Spooky sights from space: world’s largest acidic lake

What’s spookier than the ‘largest acid cauldron on Earth?’ In East Java, Indonesia, lies the Kawah Ijen Crater Lake – the world’s largest acidic lake, a chilling spectacle perfect for Halloween.The images here have been captured by the Copernicus Sentinel-2 mission...